Commit 028f78a9 authored by Bobi Jam's avatar Bobi Jam Committed by Greg Kroah-Hartman

staging/lustre/llite: protect from accessing NULL lli_clob

Need to check file's lli_clob object before calling
lov_read_and_clear_async_rc().
Signed-off-by: default avatarBobi Jam <bobijam.xu@intel.com>
Reviewed-by: default avatarJinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: default avatarOleg Drokin <oleg.drokin@intel.com>
Reviewed-on: http://review.whamcloud.com/23031
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8682Signed-off-by: default avatarOleg Drokin <green@linuxhacker.ru>
Reviewed-by: default avatarJames Simmons <jsimmons@infradead.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a08a07c3
...@@ -2328,9 +2328,11 @@ int ll_fsync(struct file *file, loff_t start, loff_t end, int datasync) ...@@ -2328,9 +2328,11 @@ int ll_fsync(struct file *file, loff_t start, loff_t end, int datasync)
lli->lli_async_rc = 0; lli->lli_async_rc = 0;
if (rc == 0) if (rc == 0)
rc = err; rc = err;
err = lov_read_and_clear_async_rc(lli->lli_clob); if (lli->lli_clob) {
if (rc == 0) err = lov_read_and_clear_async_rc(lli->lli_clob);
rc = err; if (rc == 0)
rc = err;
}
} }
err = md_sync(ll_i2sbi(inode)->ll_md_exp, ll_inode2fid(inode), &req); err = md_sync(ll_i2sbi(inode)->ll_md_exp, ll_inode2fid(inode), &req);
......
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